CA2136237C - Methode et appareil de modulation multiplex analogique-numerique a surechantillonnage - Google Patents

Methode et appareil de modulation multiplex analogique-numerique a surechantillonnage Download PDF

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Publication number
CA2136237C
CA2136237C CA002136237A CA2136237A CA2136237C CA 2136237 C CA2136237 C CA 2136237C CA 002136237 A CA002136237 A CA 002136237A CA 2136237 A CA2136237 A CA 2136237A CA 2136237 C CA2136237 C CA 2136237C
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Canada
Prior art keywords
analog
residue
converter
bit
producing
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Expired - Fee Related
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CA002136237A
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CA2136237A1 (fr
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William J. Mandl
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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
    • H03M3/466—Multiplexed conversion systems
    • H03M3/472—Shared, i.e. using a single converter for multiple channels
    • H03M3/474—Shared, i.e. using a single converter for multiple channels using time-division multiplexing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
    • H03M3/412—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution
    • H03M3/422—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
    • H03M3/424—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only the quantiser being a multiple bit one
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
    • H03M3/436—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type
    • H03M3/456—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a first order loop filter in the feedforward path

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Analogue/Digital Conversion (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CA002136237A 1992-05-19 1993-05-17 Methode et appareil de modulation multiplex analogique-numerique a surechantillonnage Expired - Fee Related CA2136237C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/885,474 1992-05-19
US07/885,474 US5248971A (en) 1992-05-19 1992-05-19 Method and apparatus for multiplexed oversampled analog to digital modulation
PCT/US1993/004627 WO1993023927A1 (fr) 1992-05-19 1993-05-17 Procede et appareil de modulation analogique/numerique multiplexee et surechantillonnee

Publications (2)

Publication Number Publication Date
CA2136237A1 CA2136237A1 (fr) 1993-11-25
CA2136237C true CA2136237C (fr) 2004-07-20

Family

ID=25386978

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002136237A Expired - Fee Related CA2136237C (fr) 1992-05-19 1993-05-17 Methode et appareil de modulation multiplex analogique-numerique a surechantillonnage

Country Status (7)

Country Link
US (2) US5248971A (fr)
EP (1) EP0641502B1 (fr)
JP (1) JP3108437B2 (fr)
AU (1) AU676169B2 (fr)
CA (1) CA2136237C (fr)
DE (1) DE69328971T2 (fr)
WO (1) WO1993023927A1 (fr)

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Also Published As

Publication number Publication date
US5515046A (en) 1996-05-07
US5248971A (en) 1993-09-28
JP3108437B2 (ja) 2000-11-13
EP0641502A1 (fr) 1995-03-08
EP0641502A4 (fr) 1995-12-06
WO1993023927A1 (fr) 1993-11-25
DE69328971T2 (de) 2001-02-22
CA2136237A1 (fr) 1993-11-25
AU676169B2 (en) 1997-03-06
EP0641502B1 (fr) 2000-07-05
JPH07508150A (ja) 1995-09-07
DE69328971D1 (de) 2000-08-10
AU4377093A (en) 1993-12-13

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